A) NO CHANGE B) their C) it’s D) its

First, we need the sentence to be analyzed. Without knowing the specific sentence, we can proceed by reviewing generic rules for using the pronouns provided in options B, C, and D.

Before discussing each option, let's review the rules for pronoun usage: - "their" is a plural possessive pronoun used to show possession or ownership when referring to more than one entity. - "it's" is a contraction for "it is" or "it has". It is not a possessive pronoun. - "its" is a singular possessive pronoun used to show possession or ownership when referring to a singular noun, such as a thing or an animal.

In this step, we will go over the provided options and determine in which cases they are used: A) NO CHANGE: This option implies that the pronoun used in the original sentence is correct. We need the sentence to analyze this further. B) "their": This pronoun is used when talking about possession or ownership for multiple entities. Example: The students left their books on the table. C) "it’s": This is a contraction for "it is" or "it has". Example: It's going to be a great day. or It's been a long week. D) "its": This pronoun is used when talking about possession or ownership for a singular noun (usually an object or an animal). Example: The dog ate its food. As you did not supply the original sentence, we have presented the information and examples necessary to make a decision when given the specific sentence.